build: support Node.js 6.x

dougwilson · dougwilson · commit f557e51b7632 · 2016-08-05T23:39:22.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -8,6 +8,7 @@ node_js:
   - "3.3"
   - "4.4"
   - "5.12"
+  - "6.3"
 sudo: false
 cache:
   directories:
